How Can I Smell Things From a Distance - Learning Set #2 Review

Front

What is Carbon Dioxide composed of?

Back

One part Carbon and two parts Oxygen.

Front

True or False: Elements are made of more than one kind of atom.

Back

False. Elements are made of ONE kind of atom.

Front

What percentage of the air is Nitrogen Gas?

Back

78%.

Front

What is evidence that air is a mixture?

Back

Gumdrop Activity Bag.

Front

Which of the following is NOT a property for identifying substances: Volume, Color, Texture, Emission Spectra?

Back

Volume.

Front

Define an element.

Back

A substance that is made of only one type of atom.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.

Front

What is the main component of air?

Back

Nitrogen, which makes up about 78% of the atmosphere.

Front

What is the role of Oxygen in the air?

Back

Oxygen is essential for respiration in most living organisms.

Front

What is the significance of Emission Spectra?

Back

Emission Spectra can help identify substances based on the light they emit.